Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  B161  ·  B367  ·  IC 1396  ·  Sh2-131  ·  VdB142
Getting plate-solving status, please wait...
Attempt at the Trunk, 



    
        

            Scotty Bishop
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Attempt at the Trunk

Getting plate-solving status, please wait...
Attempt at the Trunk, 



    
        

            Scotty Bishop
Powered byPixInsight

Attempt at the Trunk

Acquisition details

Dates:
Aug. 3, 2019
Frames:
72×180(3h 36′) ISO1600
Integration:
3h 36′
Darks:
30
Flats:
10
Bias:
50
Avg. Moon age:
2.75 days
Avg. Moon phase:
8.34%
Temperature:
25.00

RA center: 21h38m42s.48

DEC center: +57°3112.3

Pixel scale: 1.339 arcsec/pixel

Orientation: -140.028 degrees

Field radius: 1.004 degrees

More info:Open 

Resolution: 4563x2887

File size: 3.0 MB

Data source: Backyard

Description

I attempted the Elephant Trunk again. I need to figure out what is causing the weird CA on brighter stars with this mak-newt. I've sent it to ES for collimation and cleaning and a focuser change, but still...

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Attempt at the Trunk, 



    
        

            Scotty Bishop

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Cloudy Nights
Central USA